diff --git a/superpage/package-lock.json b/superpage/package-lock.json
index 402f5e1..086d1f0 100644
--- a/superpage/package-lock.json
+++ b/superpage/package-lock.json
@@ -26,6 +26,7 @@
         "react": "^19.1.0",
         "react-dom": "^19.1.0",
         "react-hook-form": "^7.56.0",
+        "smartypants": "^0.2.2",
         "tailwindcss": "^4.0.13",
         "vanilla-cookieconsent": "^3.1.0",
         "zod": "^3.24.3"
@@ -7120,6 +7121,16 @@
       "integrity": "sha512-w+tIMs3rq2afQdsPJlODhoUEKzFP1ayaoyl1CcnwtIlsVe7K7bA1NGm4s3PraqTLlXnbIN84zuBlxBWo1u9BLw==",
       "license": "MIT"
     },
+    "node_modules/smartypants": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/smartypants/-/smartypants-0.2.2.tgz",
+      "integrity": "sha512-TzobUYoEft/xBtb2voRPryAUIvYguG0V7Tt3de79I1WfXgCwelqVsGuZSnu3GFGRZhXR90AeEYIM+icuB/S06Q==",
+      "license": "BSD-3-Clause",
+      "bin": {
+        "smartypants": "bin/smartypants.js",
+        "smartypantsu": "bin/smartypantsu.js"
+      }
+    },
     "node_modules/smol-toml": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.3.4.tgz",
diff --git a/superpage/package.json b/superpage/package.json
index edbadbd..baa590a 100644
--- a/superpage/package.json
+++ b/superpage/package.json
@@ -27,6 +27,7 @@
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-hook-form": "^7.56.0",
+    "smartypants": "^0.2.2",
     "tailwindcss": "^4.0.13",
     "vanilla-cookieconsent": "^3.1.0",
     "zod": "^3.24.3"
diff --git a/superpage/src/components/Course/BuyDropdown.astro b/superpage/src/components/Course/BuyDropdown.astro
index 338db73..10bc079 100644
--- a/superpage/src/components/Course/BuyDropdown.astro
+++ b/superpage/src/components/Course/BuyDropdown.astro
@@ -5,7 +5,7 @@
         <slot name="label" />
     </summary>
     <div
-        class="absolute right-0 top-full translate-y-1 bg-stone-900 p-2.5 border border-white/15 min-w-56 rounded-lg shadow drop-shadow"
+        class="absolute right-0 top-full translate-y-1 bg-stone-900 border border-white/15 min-w-74 rounded-lg shadow drop-shadow"
     >
         <slot />
     </div>
diff --git a/superpage/src/components/Course/HeaderNav.astro b/superpage/src/components/Course/HeaderNav.astro
index c9b8e4f..4cceb5c 100644
--- a/superpage/src/components/Course/HeaderNav.astro
+++ b/superpage/src/components/Course/HeaderNav.astro
@@ -9,7 +9,7 @@ const courses = await getCollection(
     ({ data }) => data.draft != true,
 );
 
-const { title } = Astro.props;
+const { title, course } = Astro.props;
 ---
 
 <nav class="sticky top-0 z-10 bg-lime-400 py-3 drop-shadow shadow-sm">
@@ -27,8 +27,18 @@ const { title } = Astro.props;
 
         <BuyDropdown class="ml-auto">
             <Fragment slot="label">Contratar agora</Fragment>
-            <ul>
-                <li>...</li>
+            <ul class="divide-y divide-white/10">
+                <li class="uppercase py-2.5 px-5">EDUSEG&reg; Flexível</li>
+                <li class="uppercase py-2.5 px-5">EDUSEG&reg; In-Company</li>
+                <li class="uppercase py-2.5 px-5">EDUSEG&reg; Conteúdo</li>
+                <li class="py-2.5 px-5">
+                    Contratar {
+                        new Intl.NumberFormat("pt-BR", {
+                            style: "currency",
+                            currency: "BRL",
+                        }).format(course.unit_price)
+                    } p/ matrícula
+                </li>
             </ul>
         </BuyDropdown>
     </Container>
diff --git a/superpage/src/components/Course/Solutions.astro b/superpage/src/components/Course/Solutions.astro
index 9ab4f5e..29b757f 100644
--- a/superpage/src/components/Course/Solutions.astro
+++ b/superpage/src/components/Course/Solutions.astro
@@ -30,7 +30,9 @@ import Modal from "~/components/Modal.astro";
                 <h2 class="text-xl/6 font-semibold">
                     Catálogo completo sempre à sua disposição
                 </h2>
-                <ul class="list-disc max-lg:pl-3.5 space-y-1.5 text-sm/5">
+                <ul
+                    class="list-disc max-lg:pl-3.5 space-y-1.5 text-sm/5 marker:text-lime-400"
+                >
                     <li>Acesse todos os cursos imediatamente</li>
                     <li>Pague apenas pelo que usar, mês a mês</li>
                     <li>Gestão e autonomia direto pela plataforma</li>
@@ -58,7 +60,9 @@ import Modal from "~/components/Modal.astro";
                 <h2 class="text-xl/6 font-semibold">
                     Treinamento presencial na sua empresa
                 </h2>
-                <ul class="list-disc max-lg:pl-3.5 space-y-1.5 text-sm/5">
+                <ul
+                    class="list-disc max-lg:pl-3.5 space-y-1.5 text-sm/5 marker:text-lime-400"
+                >
                     <li>Atendemos nas principais cidades do Brasil</li>
                     <li>Instrutores especialistas com vivência prática</li>
                     <li>Ideal para grandes turmas ou treinamentos práticos</li>
@@ -85,7 +89,9 @@ import Modal from "~/components/Modal.astro";
                 <h2 class="text-xl/6 font-semibold">
                     Leve nosso conteúdo para sua plataforma
                 </h2>
-                <ul class="list-disc max-lg:pl-3.5 space-y-1.5 text-sm/5">
+                <ul
+                    class="list-disc max-lg:pl-3.5 space-y-1.5 text-sm/5 marker:text-lime-400"
+                >
                     <li>Customização completa com sua identidade visual</li>
                     <li>Entregamos em formato SCORM para qualquer LMS</li>
                     <li>Ideal para empresas com ambiente EAD próprio</li>
@@ -104,3 +110,7 @@ import Modal from "~/components/Modal.astro";
         </div>
     </section>
 </Container>
+
+<script is:inline>
+    console.log(window);
+</script>
diff --git a/superpage/src/components/SEO.astro b/superpage/src/components/SEO.astro
new file mode 100644
index 0000000..2773a31
--- /dev/null
+++ b/superpage/src/components/SEO.astro
@@ -0,0 +1,99 @@
+---
+export type Image = {
+    src: string;
+    alt: string;
+};
+export type SEOMetadata = {
+    name: string;
+    title: string;
+    description: string;
+    image: Image;
+    canonicalURL?: URL | string | null;
+    locale?: string;
+};
+export type OpenGraph = Partial<SEOMetadata> & {
+    type?: string;
+};
+export type Twitter = Partial<SEOMetadata> & {
+    handle?: string;
+    card?: "summary" | "summary_large_image";
+};
+export type Props = SEOMetadata & {
+    og?: OpenGraph;
+    twitter?: Twitter;
+};
+const {
+    name,
+    title,
+    description,
+    image,
+    locale = "en",
+    canonicalURL = new URL(Astro.url.pathname, Astro.site),
+} = Astro.props;
+
+const og = {
+    name,
+    title,
+    description,
+    canonicalURL,
+    image,
+    locale,
+    type: "website",
+    ...Astro.props.og,
+} satisfies OpenGraph;
+
+const twitter = {
+    name,
+    title,
+    description,
+    canonicalURL,
+    image,
+    locale,
+    card: "summary_large_image",
+    ...Astro.props.twitter,
+} satisfies Twitter;
+
+/**
+ * Enforce some standard canonical URL formatting across the site.
+ */
+function formatCanonicalURL(url: string | URL) {
+    const path = url.toString();
+    const hasQueryParams = path.includes("?");
+    // If there are query params, make sure the URL has no trailing slash
+    if (hasQueryParams) {
+        path.replace(/\/?$/, "");
+    }
+    // otherwise, canonical URL always has a trailing slash
+    return path.replace(/\/?$/, hasQueryParams ? "" : "/");
+}
+---
+
+{/* Page Metadata */}
+{
+    canonicalURL && (
+        <link rel="canonical" href={formatCanonicalURL(canonicalURL)} />
+    )
+}
+<meta name="description" content={description} />
+
+{/* OpenGraph Tags */}
+<meta property="og:title" content={og.title} />
+<meta property="og:type" content={og.type} />
+{
+    og.canonicalURL && (
+        <meta property="og:url" content={formatCanonicalURL(og.canonicalURL)} />
+    )
+}
+<meta property="og:locale" content={og.locale} />
+<meta property="og:description" content={og.description} />
+<meta property="og:site_name" content={og.name} />
+{og.image && <meta property="og:image" content={og.image.src} />}
+{og.image && <meta property="og:image:alt" content={og.image.alt} />}
+
+{/* Twitter Tags */}
+{twitter.card && <meta name="twitter:card" content={twitter.card} />}
+{twitter.handle && <meta name="twitter:site" content={twitter.handle} />}
+<meta name="twitter:title" content={twitter.title} />
+<meta name="twitter:description" content={twitter.description} />
+{twitter.image && <meta name="twitter:image" content={twitter.image.src} />}
+{twitter.image && <meta name="twitter:image:alt" content={twitter.image.alt} />}
diff --git a/superpage/src/data/site-info.ts b/superpage/src/data/site-info.ts
new file mode 100644
index 0000000..24ae9e2
--- /dev/null
+++ b/superpage/src/data/site-info.ts
@@ -0,0 +1,37 @@
+export type SocialLink = {
+  me?: string;
+  /** Longer descriptive label, e.g. `"Join the Astro community on Discord"` */
+  text: string;
+  /** Short label with the name of the platform, e.g. `"Discord"`*/
+  label: string;
+  icon: string;
+  href: string;
+  /** Platform ID, e.g. `"discord"` */
+  platform: string;
+  footerOnly?: boolean;
+};
+
+export type SiteInfo = {
+  name: string;
+  title: string;
+  description: string;
+  image: {
+    src: string;
+    alt: string;
+  };
+  socialLinks: SocialLink[];
+};
+
+const siteInfo: SiteInfo = {
+  name: "EDUSEG&reg;",
+  title: " Educação que garante sua segurança",
+  description:
+    "Astro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.",
+  image: {
+    src: "/og/social.jpg",
+    alt: "Educação que garante sua segurança",
+  },
+  socialLinks: [],
+};
+
+export default siteInfo;
diff --git a/superpage/src/layouts/Layout.astro b/superpage/src/layouts/Layout.astro
index 8d88614..6d00767 100644
--- a/superpage/src/layouts/Layout.astro
+++ b/superpage/src/layouts/Layout.astro
@@ -1,22 +1,18 @@
 ---
 import "~/styles/app.css";
+import BaseHead, {
+    type Props as HeadProps,
+} from "./_components/BaseHead.astro";
 import Header from "./_components/Header.astro";
 import Footer from "./_components/Footer.astro";
+
+interface Props extends HeadProps {}
 ---
 
 <!doctype html>
 <html lang="pt-br">
     <head>
-        <meta charset="UTF-8" />
-        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-        <meta name="generator" content={Astro.generator} />
-        <link rel="sitemap" href="/sitemap-index.xml" />
-        <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
-        <slot name="head">
-            <title>
-                Educação que garante sua segurança &mdash; EDUSEG&reg;
-            </title>
-        </slot>
+        <BaseHead {...Astro.props} />
 
         <script
             is:inline
@@ -31,7 +27,6 @@ import Footer from "./_components/Footer.astro";
             data-type="text/partytown"
             data-category="analytics"
         >
-            console.log("a");
             window.dataLayer = window.dataLayer || [];
             function gtag() {
                 dataLayer.push(arguments);
@@ -47,7 +42,7 @@ import Footer from "./_components/Footer.astro";
 
         <slot name="nav" />
 
-        <main id="content" data-pagefind-body>
+        <main id="main" data-pagefind-body>
             <slot />
         </main>
 
diff --git a/superpage/src/layouts/_components/BaseHead.astro b/superpage/src/layouts/_components/BaseHead.astro
new file mode 100644
index 0000000..51f9e59
--- /dev/null
+++ b/superpage/src/layouts/_components/BaseHead.astro
@@ -0,0 +1,50 @@
+---
+import smartypants from "smartypants";
+import siteInfo from "~/data/site-info";
+import SEO from "~/components/SEO.astro";
+
+export type Props = {
+    title?: string;
+    rawTitle?: string;
+    description?: string;
+    image?: { src: string; alt: string };
+    canonicalURL?: URL | null;
+    pageType?: "website" | "article";
+};
+
+const twitterHandle = "edusegdotcomdotbr";
+
+const {
+    rawTitle,
+    description = siteInfo.description,
+    image = siteInfo.image,
+    canonicalURL = new URL(Astro.request.url, Astro.site),
+    pageType = "website",
+} = Astro.props;
+
+const title =
+    rawTitle ??
+    [Astro.props.title, siteInfo.name].filter(Boolean).join(" &mdash; ");
+const resolvedImage = {
+    src: new URL(image.src, Astro.site).toString(),
+    alt: image.alt,
+};
+---
+
+{/* High Priority Global Metadata */}
+<meta charset="UTF-8" />
+<meta name="viewport" content="width=device-width, initial-scale=1.0" />
+<title set:html={smartypants(title, 1)} />
+<meta name="generator" content={Astro.generator} />
+<link rel="sitemap" href="/sitemap-index.xml" />
+<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
+
+<SEO
+    name={siteInfo.name}
+    title={title}
+    description={description}
+    image={resolvedImage}
+    twitter={{ handle: twitterHandle }}
+    og={{ type: pageType }}
+    canonicalURL={canonicalURL}
+/>
diff --git a/superpage/src/pages/[slug].astro b/superpage/src/pages/[slug].astro
index 85f1bd6..7720733 100644
--- a/superpage/src/pages/[slug].astro
+++ b/superpage/src/pages/[slug].astro
@@ -28,7 +28,7 @@ const { data } = course;
 const { Content } = await render(course);
 ---
 
-<Layout>
+<Layout title={data.title}>
     <Fragment slot="head">
         <title>{data.title} &mdash; EDUSEG&reg;</title>
     </Fragment>
diff --git a/superpage/src/pages/_components/BuyButton.astro b/superpage/src/pages/_components/BuyButton.astro
index b44d412..b69b9ad 100644
--- a/superpage/src/pages/_components/BuyButton.astro
+++ b/superpage/src/pages/_components/BuyButton.astro
@@ -71,6 +71,7 @@ const currency = new Intl.NumberFormat("pt-BR", {
 
         const r = await checkout(item);
         const json = await r.json();
+        target.disabled = true;
         location.href = `https://checkout.betaeducacao.com.br/${json.id}`;
     });
 </script>